72344632045 has 8 divisors (see below), whose sum is σ = 99215495424. Its totient is φ = 49607747664.

The previous prime is 72344632027. The next prime is 72344632049. The reversal of 72344632045 is 54023644327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72344632045 - 2¹¹ = 72344629997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72344631989 and 72344632007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72344632049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033494709 + ... + 1033494778.

It is an arithmetic number, because the mean of its divisors is an integer number (12401936928).

Almost surely, 2^72344632045 is an apocalyptic number.

It is an amenable number.

72344632045 is a deficient number, since it is larger than the sum of its proper divisors (26870863379).

72344632045 is a wasteful number, since it uses less digits than its factorization.

72344632045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066989499.

The product of its (nonzero) digits is 483840, while the sum is 40.

The spelling of 72344632045 in words is "seventy-two billion, three hundred forty-four million, six hundred thirty-two thousand, forty-five".